Lady Gaga says she's decided "to be single at this point in my life because I don't have the time to get to know anybody. And you know what? It's OK. Even Lady Gaga can be celibate."

Lady Gaga, who was discussing her work with MAC Viva Glam to raise money for women and girls who have AIDS, continued, "If you can't get to know somebody, you shouldn't be having sex with them. It's OK at this point, in this day and age, we have grown up and we now know that we can't be that free with your love." [The Star]

If you missed Lady Gaga's Monster Ball concert you're in luck: She's added more tour dates. She'll return to the U.S. in June for a 30-city tour. [UPI]

Mark Ronson says he and Lady Gaga,"Were working in the studio and I started singing and she said, ‘Take some lessons.'" [BlackBook Magazine]

Ryan Phillippe has supposedly hit on Hayden Panettiere and two models since breaking up with Abbie Cornish, but a source says he, "has a bad habit of constantly mentioning ‘my ex-wife' (Reese Witherspoon). Women he meets think he's hung up on Reese still, given how much he talks about her." [Radar]

Kate Gosselin and Shannen Doherty will be on the next season of Dancing With The Stars. [Radar, The Wrap]

John Stamos won't be joining Kate and Shannen. He Tweeted: "I'm not doing Dancing with the Stars. Flattered to be asked. I'm not a dancer. I'd put my foot in my mouth faster than John Mayer." [People]

John Mayer Tweeted, "Dear Ke$ha, you have won me over with your tricks and charms... And I must tell you I really like your song... Though I must add I tried brushing with a bottle of Jack and I chipped a tooth on the glass. Where might I remit an invoice?" [Access Hollywood]

Jennie Garth has signed a deal to write children's books, like her former 90210 co-star Tori Spelling. [Us]

Sources say Brooke Mueller is only willing to stay with Charlie Sheen if he tries to get sober, but "people in Charlie's camp" say "it's Brooke's craziness that is fueling all of this." [TMZ]

The autopsy of Marie Osmond's son, Michael Blosil, is done, but his cause of death is "deferred" because the toxicology results aren't back yet. He suffered from depression and had been in and out of rehab. [TMZ, Radar]

A family friend says that when Marie Osmond learned her son had committed suicide, "She was a mess. She was in disbelief." As for the family, "They're doing the best they can... They're all together. She's taking care of her family. They're all trying to explain that certain [bad] things happen while they grieve at the same time. They're trying to understand and make sense of it." [People]

The Oprah Winfrey Network has acquired the TV rights to Precious. [PR Newswire]

Kim Kardashian bought a $4.8 million mansion in Beverly Hills with "5 bedrooms and 4.5 bathrooms, a grand two-story entry, formal living room and dining room — each with their own fireplaces." [TMZ]

Brittany Murphy's husband Simon Monjack has been invited to the Oscars, presumably because there will be some tribute to her at the show. [Radar]

Hyundai prepared several commercials to air during the Oscars, but had to pull them because they're narrated by Jeff Bridges and nominees can't appear in commercials during the show. Hyundai has created new ads narrated by Kim Basinger, Richard Dreyfuss, David Duchovny, Catherine Keener, Michael Madsen, Mandy Patinkin and Martin Sheen. [Ad Age]

Robert Pattinson won't be joining Kristen Stewart and Taylor Lautner at the Oscars because he's working in New York. "It's not like we snubbed him," says Oscars producer Adam Shankman. "It's not like we said no to him. We asked him to be in the show. We tried really really hard to get him there. We were working on getting Summit to fly him in for the day, but eventually it became too much." [E!]

Jwoww hasn't been hitting the gym, but what of the tanning and laundry? [People]

Like Snooki, The Situation, and Pauly D, Jwoww has applied to trademark her name. According to the documents her name is officially spelled "Jwoww." [TMZ]

The bad news: Penny Marshall may be losing her battle with liver cancer. The good news: This story is from the Enquirer, so there's a good chance it's not true. [Perez]

When asked about the romance between Dana Delany and Julie Benz's characters on Desperate Housewives, Marcia Cross said, "I'm a little jealous that I'm not involved." [E!]

The mother of Jasmina Anema, the 6-year-old girl with leukemia that Rihanna befriended Tweeted this weekend, "It has been a month since Jasmina's passing. Still not even a card or text message from Rihanna. Did she use my child for a publicity stunt?" Later the Tweet was taken down, But Thea Anema wrote in an e-mail, "Friends have helped me with all kinds of stuff and many know the passwords to my personal e-mail, the Caringbridge site and also Twitter... Although I did not Tweet this particular one, I do wish that Rihanna had responded to me on Jasmina's passing. It would have meant the world to me." [People]

A source tells The National Enquirer that Zac Efron's pool overflowed after a heavy rain and flooded his house. [Daily Express]

An exhibition of Roman Polanski's photographs, documents, scripts, props, and costumes opened this weekend at the Dusseldorf Film Museum in Germany. [LAT]

Security guards at a hotel in Rancho Palos Verdes made a citizens arrest of two paparazzi who were trying to take pictures of a taping of The Bachelor this weekend. Police charged them with suspicion of misdemeanor battery and unlawful blocking of a sidewalk. [LAT]

Kendra Wilkinson introduced her son to Hugh Hefner today. Little Hank has now been to the Playboy Mansion, watched his dad play in the Super Bowl, and appeared on the cover of several tabloids, and he's only three months old. [People]

Kevin Jonas and his new wife Danielle Deleasa were spotted arguing at a supermarket. "She was complaining that they were grocery shopping on Valentine's Day," said a source. "It seemed like poor Kevin didn't know what to do when Danielle was lecturing him. He looked kind of uncomfortable standing there." [Digital Spy]

Christina Milian gave birth to a daughter named Violet on February 26. [People]

Randy and Evi Quaid appeared in court today for a preliminary hearing on their felony charges of defrauding an innkeeper. For some reason Randy brought his Best Actor in a Mini-Series or Motion PIcture Made For TV Golden Globe for the 1988 TV movie LBJ: The Early Years. [Radar]

A White House spokesman says the rumor that President Obama called Tiger Woods while he was in rehab is untrue. [Politico]

However, a spokesman for Bill Clinton confirms that "President Clinton spoke with Tiger and wished him well." [People]

Matt Damon says he's disappointed in President Obama: "Politics is compromise. I'm disappointed in the healthcare plan and in the troop build-up in Afghanistan. Everyone feels a little let down because, on some level, people expected all their problems to go away. But real change comes from everyday people. You can't wait for a leader." [Daily Express]

Matt Damon is supporting a campaign to close down SeaWorld because a whale trainer was killed at the park. He said, "I think they should just shut them all down. I've never been a fan of places like that." [WENN]

Matt Damon says of his new mustache, "This is for my new movie with the Coen Brothers. We're redoing True Grit... I'll show it to them this week. If they like it, fine. If not, I'll try again. I actually hate the thing." [Us]

Dave Grohl said of the upcoming Kurt Cobain biopic, "I don't know about anyone else, but I'm crossing my fingers that Shelley Duvall plays me... Shelley Duvall in The Shining... That is MY face, you cannot get any closer than that." [People]

Anna Kournikova, who has been working with charities in Haiti and Russia, says, "What I saw in Haiti was just ridiculous. When I spent summers in the [Russian] country-side with my great-grandmother, running around barefoot, at least we had water, we had fields, we could grow food and you weren't eating mud cookies. If you read a book, you get all the facts and statistics, but if you see [suffering and disease] with your own eyes, it really changes your whole understanding." [Mediabistro]

Here's a spoilery interview with Lily Tomlin about her role on Damages. [LAT]

Robert Pattinson elaborated on the Details interview in which he said, "I really hate vaginas. I'm allergic to vagina." "I was just saying like I had two lessons, don't try and make jokes in interviews and then the second one is like, just don't do interviews at all," said Pattinson. "Don't talk about vaginas, people are very sensitive about them! Like, I know it's funny, like it's so funny how you know... The whole story was because I thought people would be offended by the photos and when they get offended by the little joking explanation of it…I don't know the world's a weird place." [Access Hollywood]